// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// with the License.  You may obtain a copy of the License at

//

//   http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied.  See the License for the

// specific language governing permissions and limitations

// under the License.

#pragma once

#include "core/column/column_nullable.h"

#include "core/data_type/data_type_string.h"

#include "core/data_type/data_type_uuid.h"

#include "exprs/function/cast/cast_base.h"

namespace doris {

struct CastToUUID {

    static bool from_string(const StringRef& from, UUIDValueType& to, CastParameters&) {

        return UUIDValue::from_string(to, from.data, from.size);

    }

};

template <CastModeType Mode>

class CastToImpl<Mode, DataTypeString, DataTypeUUID> : public CastToBase {

public:

    Status execute_impl(FunctionContext* context, Block& block, const ColumnNumbers& arguments,

                        uint32_t result, size_t input_rows_count,

                        const NullMap::value_type* null_map = nullptr) const override {

        const auto& column_from =

                assert_cast<const ColumnString&>(*block.get_by_position(arguments[0]).column);

        const auto nested_to_type = remove_nullable(block.get_by_position(result).type);

        const auto serde = nested_to_type->get_serde();

        if constexpr (Mode == CastModeType::NonStrictMode) {

            auto column_to = create_empty_nullable_column(nested_to_type);

            RETURN_IF_ERROR(serde->from_string_batch(column_from, *column_to, {}));

            block.get_by_position(result).column = std::move(column_to);

        } else {

            auto column_to = nested_to_type->create_column();

            RETURN_IF_ERROR(

                    serde->from_string_strict_mode_batch(column_from, *column_to, {}, null_map));

            block.get_by_position(result).column = std::move(column_to);

        }

        return Status::OK();

    }

Unexecuted instantiation: _ZNK5doris10CastToImplILNS_12CastModeTypeE0ENS_14DataTypeStringENS_12DataTypeUUIDEE12execute_implEPNS_15FunctionContextERNS_5BlockERKSt6vectorIjSaIjEEjmPKh

_ZNK5doris10CastToImplILNS_12CastModeTypeE1ENS_14DataTypeStringENS_12DataTypeUUIDEE12execute_implEPNS_15FunctionContextERNS_5BlockERKSt6vectorIjSaIjEEjmPKh

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                        const NullMap::value_type* null_map = nullptr) const override {

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        const auto& column_from =

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                assert_cast<const ColumnString&>(*block.get_by_position(arguments[0]).column);

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        const auto nested_to_type = remove_nullable(block.get_by_position(result).type);

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        const auto serde = nested_to_type->get_serde();

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        if constexpr (Mode == CastModeType::NonStrictMode) {

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            auto column_to = create_empty_nullable_column(nested_to_type);

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            RETURN_IF_ERROR(serde->from_string_batch(column_from, *column_to, {}));

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            block.get_by_position(result).column = std::move(column_to);

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        } else {

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            auto column_to = nested_to_type->create_column();

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            RETURN_IF_ERROR(

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                    serde->from_string_strict_mode_batch(column_from, *column_to, {}, null_map));

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            block.get_by_position(result).column = std::move(column_to);

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        }

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        return Status::OK();

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    }

};

} // namespace doris